[INFO] cloning repository https://github.com/dalance/git-skel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dalance/git-skel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fgit-skel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fgit-skel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 585b09f9043aaf1031a411773cd60d60898b1465
[INFO] documenting dalance/git-skel against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fgit-skel" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dalance/git-skel on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dalance/git-skel
[INFO] finished tweaking git repo https://github.com/dalance/git-skel
[INFO] tweaked toml for git repo https://github.com/dalance/git-skel written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/dalance/git-skel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc6ec6b49408885c206c3a978408338f6479cd19adbdd8a0f95995207351a27c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc6ec6b49408885c206c3a978408338f6479cd19adbdd8a0f95995207351a27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc6ec6b49408885c206c3a978408338f6479cd19adbdd8a0f95995207351a27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6ec6b49408885c206c3a978408338f6479cd19adbdd8a0f95995207351a27c", kill_on_drop: false }`
[INFO] [stdout] bc6ec6b49408885c206c3a978408338f6479cd19adbdd8a0f95995207351a27c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fba7d86540d9aa69266ff2c3aea54d313a2f56a0e59459bbc926463d7e3b13e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7fba7d86540d9aa69266ff2c3aea54d313a2f56a0e59459bbc926463d7e3b13e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.34
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]    Compiling curl-sys v0.4.17
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking backtrace v0.3.15
[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking console v0.7.5
[INFO] [stderr]     Checking ignore v0.4.6
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]  Documenting git-skel v0.1.7-pre (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "7fba7d86540d9aa69266ff2c3aea54d313a2f56a0e59459bbc926463d7e3b13e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fba7d86540d9aa69266ff2c3aea54d313a2f56a0e59459bbc926463d7e3b13e", kill_on_drop: false }`
[INFO] [stdout] 7fba7d86540d9aa69266ff2c3aea54d313a2f56a0e59459bbc926463d7e3b13e